Sock



FIG. 1 is a left side elevational view of my new sock design;

FIG. 2 is a front elevational view of my new sock design;

FIG. 3 is rear elevational view of my new sock design;

FIG. 4 is a right side elevational view of my new sock design;

FIG. 5 is a top plan view thereof, with my new sock design being in anexpanded configuration; and,

FIG. 6 is a bottom plan view thereof, with my new sock design being inan expanded configuration.

The broken lines shown in the drawing figures are for illustrativepurposes only and form no part of the claimed design.

The stippling and other surface patterns represent changes in fabrictexture.

The ornamental design for a sock, as shown and described.